Page Banner

United States Department of Agriculture

Agricultural Research Service

Publications - Visiting Scientists and Research Associates
headline bar

Former and current visiting scientists and research associates

For selected publications, click on the PDF icon icon to view the full article in PDF format. The free Adobe Acrobat Reader® is needed to view the PDF files on this page.


Bhabani Dey
  1. click here to view the PDF of this article Hsieh, C., Y.R. Chen, B.P. Dey, and D.E. Chan. 2002. Separating septicemic and normal chicken livers by visible/near-infrared spectroscopy and back-propagation neural networks. Transactions of the ASAE. 45(2): 459-469.
  2. click here to view the PDF of this article Dey, B.P., Y.R. Chen, C. Hsieh, and D.E. Chan. 2003. Detection of septicemia in chicken livers by spectroscopy. Poultry Science. 82: 199-206.
Fujian Ding
  1. click here to view the PDF of this article Chao, K., Y.R. Chen, F. Ding, and D.E. Chan. 2005. Characterizing wholesome and unwholesome chickens by CIELUV color difference. Applied Engineering in Agriculture. 21(4):653-659.
  2. click here to view the PDF of this article Ding, F., Y.R. Chen, and K. Chao. 2005. Two-waveband color-mixing binoculars for the detection of wholesome and unwholesome chicken carcasses: a simulation. Applied Optics. 44(26):5454-5462.
  3. click here to view the PDF of this article Ding, F., Y.R. Chen, and K. Chao. 2005. Application of color mixing for safety and quality inspection of agricultural products. Proceedings of SPIE, volume 5996. (Invited paper at the SPIE Optics East 2005 conference, program 5996: Optical Sensors and Sensing Systems for Natural Resources and Food Safety and Quality, Boston, MA, October 23-26, 2005.)
  4. click here to view the PDF of this article Ding, F., Y.R. Chen, K. Chao, and D.E. Chan. 2006. Two-color mixing for classifying agricultural products for safety and quality. Applied Optics. 45(4): 668-677.
  5. click here to view the PDF of this article Ding, F., Y.R. Chen, K. Chao, and M.S. Kim. 2006. Three-color mixing for classifying agricultural products for safety and quality. Applied Optics. 45(15):3516-3526.
  6. click here to view the PDF of this article Chao, K., Y.R. Chen, F. Ding, C.C. Yang, and D.E. Chan. 2007. Development of two-band color-mixing technique for identification of broiler carcass conditions. Journal of Food Engineering. 80(1): 276-283.
Ching-Lu Hsieh
  1. click here to view the PDF of this article Hsieh, C., Y.R. Chen, B.P. Dey, and D.E. Chan. 2002. Separating septicemic and normal chicken livers by visible/near-infrared spectroscopy and back-propagation neural networks. Transactions of the ASAE. 45(2): 459-469.
  2. click here to view the PDF of this article Dey, B.P., Y.R. Chen, C. Hsieh, and D.E. Chan. 2003. Detection of septicemia in chicken livers by spectroscopy. Poultry Science. 82: 199-206.

go back to the top

Sukwon Kang
  1. click here to view the PDF of this article Kang, S., and S.R. Delwiche. 1999. Moisture diffusion modeling of wheat kernels during soaking. Transactions of the ASAE. 42(5):1359-1365.
  2. click here to view the PDF of this article Kang, S. and S.R. Delwiche 2000. Moisture diffusion coefficients of single wheat kernels with assumed simplified geometries: analytical approach. Trans. ASAE 43(6): 1653-1659.
  3. Chao, K., Y.R. Chen, D. Chan, and S. Kang. 2002. Analysis of Vis/NIR Spectral varations of wholesome and unwholesome chicken meat. Paper No. 02-3062, pp. 1-14.
  4. click here to view the PDF of this article Kang, S., M.S. Kim, K. Chao, I. Kim, and Y.R. Chen. 2002. Chicken Disease Characterization by Fluorescence Spectroscopy. ASAE Meeting, Chicago, IL. Paper Number: 023061.
  5. click here to view the PDF of this article Kim, M.S., A.M. Lefcourt, Y.R. Chen, and S. Kang. 2004. Uses of hyperspectral and multispectral laser induced fluorescence imaging techniques for food safety inspection. Key Engineering Materials 270-273:1055-1063.

go back to the top

Intaek Kim
  1. click here to view the PDF of this article Kang, S., M.S. Kim, K. Chao, I. Kim, and Y.R. Chen. 2002. Chicken Disease Characterization by Fluorescence Spectroscopy. ASAE Meeting, Chicago, IL. Paper Number: 023061.
  2. click here to view the PDF of this article Kim, M.S., A.M. Lefcourt, K. Chao, Y.R. Chen, I. Kim, and D.E. Chan. 2002. Multispectral detection of fecal contamination on apples based on hyperspectral imagery: Part I. Application of visible and near-infrared reflectance imaging. Transactions of the ASAE. 45(6): 2027-2037.
  3. click here to view the PDF of this article Kim, M.S., A.M. Lefcourt, Y.R. Chen, I. Kim, D.E. Chan, K. Chao. 2002. Multispectral detection of fecal contamination on apples based on hyperspectral imagery: Part II. Application of hyperspectral fluorescence imaging. Transactions of the ASAE. 45(6): 2039-2047.
  4. click here to view the PDF of this article Kim, I., M.S. Kim, Y.R. Chen, and S.G. Kong. 2004. Detection of skin tumors on chicken carcasses using hyperspectral fluorescence imaging. Transactions of ASAE. 47(5): 1785-1792.
  5. click here to view the PDF of this article Kong, S.G., Y.R. Chen, I. Kim, and M.S. Kim. 2004. Analysis of hyperspectral fluorescence images for poultry skin tumor inspection. Applied Optics. 43(4): 824-833.

go back to the top

Yongliang Liu
  1. Liu, Y., and Y.R. Chen. 2000. Two-dimensional correlation spectroscopy study of visible and near-infrared spectral variations of chicken meats in cold storage. Applied Spectroscopy. 54(10): 1458-1470.
  2. click here to view the PDF of this article Liu, Y., Y.R. Chen, and Y. Ozaki. 2000. Two-dimensional visible/near-infrared correlation spectroscopy study of thermal treatment of chicken meats. Journal of Agricultural and Food Chemistry. 48(3): 901-908.
  3. Liu, Y., Y.R. Chen, and Y. Ozaki. 2000. Characterization of visible spectral intensity variations of wholesome and unwholesome chicken meats with two-dimensional correlation spectroscopy. Applied Spectroscopy. 54(4): 587-594.
  4. Liu, Y., Y.R. Chen, and Y. Ozaki. 2000. 2D Vis/NIR Correlation Spectroscopy of Cooked Chicken Meats. Pp. 312-315 in: Two Dimensional Correlation Spectroscopy, Y. Ozaki and I. Noda, eds. American Institute of Physics.
  5. Chen, Y.R., K. Chao, W.R. Hruschka, and Y. Liu. 2001. Advances in sensing technologies for poultry inspection. SPIE Critical Review. 80: 140-181. In: Optics in Agriculture 1990-2000, J.A. DeShazer and G.E.Meyer, eds.
  6. click here to view the PDF of this article Liu, Y. and Y.R. Chen. 2001. Two-dimensional visible/near-infrared correlation spectroscopy study of thawing behavior of frozen chicken meats without exposure to air. Meat Science. 57(3): 299-310.
  7. click here to view the PDF of this article Liu, Y. and Y.R. Chen. 2001. Analysis of visible reflectance spectra of stored, cooked and diseased chicken meats. Meat Science. 58(4): 395-401.
  8. click here to view the PDF of this article Chao, K., Y. Liu, Y.R. Chen, D.W. Thayer, and W.R. Hruschka. 2002. Characterization of spectral variations of irradiated chicken breasts with 2D correlation spectroscopy. Applied Engineering in Agriculture. 18(6): 745-750.
  9. click here to view the PDF of this article Liu, Y., F.E. Barton II, B.G. Lyon, and Y.R. Chen. 2003. Variations of large spectral sets; two-dimensional correlation analysis of loadings spectra of principal component analysis. Journal of Near-Infrared Spectroscopy. 11:457-466.
  10. click here to view the PDF of this article Liu, Y., X. Fan, Y.R. Chen, and D.W. Thayer. 2003. Changes in structure and color characteristics of irradiated chicken breasts as a function of dosage and storage time. Meat Science 63: 301-307.
  11. click here to view the PDF of this article Liu, Y., F.E. Barton, B.G. Lyon, W.R. Windham, and C.E. Lyon. 2004. Two-Dimensional Correlation Analysis of Visible/Near-Infrared Spectral Intensity Variations of Chicken Breasts with Various Chilled and Frozen Storages. Journal of Agricultural and Food Chemistry. 52(3): 505-510.
  12. Liu, Y., Y.R. Chen, C.-Y. Wang, D.E. Chan, and M.S. Kim. 2005. Development of simple algorithm for the detection of chilling injury in cucumbers from visible/near-infrared hyperspectral imaging. Applied Spectroscopy 59 (1): 78-85.
  13. click here to view the PDF of this article Liu, Y., K. Chao, Y.R. Chen, M.S. Kim, X. Nou, D.E. Chan, and C.C. Yang. 2006. Comparison of visible and near infrared reflectance spectroscopy for the detection of faeces/ingesta contaminants for sanitation verification at slaughter plants. Journal of Near Infrared Spectroscopy 14(5): 325-331.
  14. Liu, Y., K. Chao, Y.R. Chen, M.S. Kim, X. Nou, D.E. Chan, and C.C. Yang. 2006. Detection of fecal/ingesta contaminants at slaughter plants from a number of characteristic visible and near-infrared bands. SPIE Proceedings, Volume 6381 – Optics for Natural Resources, Agriculture, and Foods (Y.R. Chen, G.E. Meyer, and S.I. Tu, eds.), 63810U.
  15. click here to view the PDF of this article Liu, Y., Y.R. Chen, C.-Y. Wang, D.E. Chan, and M.S. Kim. 2006. Development of hyperspectral imaging technique for the detection of chilling injury in cucumbers; spectral and image analysis. Applied Engineering in Agriculture 22(1): 101-111.
  16. click here to view the PDF of this article Chen, Y.R., Y. Liu, X. Nou, and K. Chao. 2007. Development of SERS spectroscopy for routine and rapid identification of Escherichia Coli and Listeria Monocytogenes on silver colloidal nanoparticles. In NSTI-Nanotech 2007 Technical Proceedings, volume 2, pp. 549-552.
  17. click here to view the PDF of this article Liu, Y., Y.R. Chen, M.S. Kim, D.E. Chan, and A.M. Lefcourt. 2007. Development of simple algorithms for the detection of fecal contaminants on apples from visible/near infrared hyperspectral reflectance imaging. Journal of Food Engineering. 81(2007): 412-418.
  18. Liu, Y., Y.R. Chen, X. Nou, and K. Chao. 2007. Potential of surface-enhanced Raman spectroscopy for the rapid identification of Escherichia Coli and Listeria monocytogenes cultures on silver colloidal nanoparticles. Applied Spectroscopy. (in press for August 2007 issue)

go back to the top

Renfu Lu
(Dr. Lu is currently a scientist at the USDA-ARS Sugarbeet and Bean Research Unit)
  1. click here to view the PDF of this article Lu, R., and Y.R. Chen. 1998. Characterization of nonlinear elastic properties of beef products under large deformation. Transactions of ASAE. 41(1):163-171.
  2. click here to view the PDF of this article Lu, R., Y.R. Chen, M.B. Solomon, and B.W. Berry. 1998. Tensile properties and Warner-Bratzler tenderness measurement of raw and cooked beef. Transactions of ASAE. 41(5):1431-1439.
  3. Lu, R. and Y.R. Chen. 1999. Shear properties and Warner-Bratzler tenderness measurement of beef. J. of Texture Studies. 30: 361-375.

go back to the top

Patrick Mehl
  1. Chao, K., P.M. Mehl, M.S. Kim, and Y.R. Chen. 2000. Detection of Chicken Skin Tumors by Multispectral Imaging. Proceedings of SPIE. 4206: 214-223. (Environmental and Industrial Sensing: Photonic Detection and Intervention Technologies for Safe Food, Boston MA, USA)
  2. Kim, M.S., K. Chao, Y.R. Chen, D.E. Chan, P.M. Mehl. 2000. Hyperspectral Imaging System for Food Safety: Detection of Fecal Contamination on Apples. In Environmental and Industrial Sensing: Photonic Detection and Intervention Technologies for Safe Food, Boston MA, SPIE Vol 4206:174-184.
  3. Chao, K., P.M. Mehl., M.S. Kim., and Y.R. Chen. 2001. Detection of chicken skin tumors by multispectral imaging. Proceedings of SPIE. 4206:214-223. (Photonic Detection and Intervention Technologies for Safe Food, November 5-6, 2000, Boston, USA)
  4. Kim, M.S., K. Chao, Y.R. Chen, D. Chan, and P. Mehl. 2001. Hyperspectral imaging system for food safety: detection of fecal contamination on apples. Proceedings of SPIE. 4206: 174-184. (Photonic Detection and Intervention Technologies for Safe Food, November 5-6, 2000, Boston, USA)
  5. click here to view the PDF of this article Kim, M.S., Y.R. Chen., and P.M. Mehl. 2001. Hyperspectral reflectance and fluorescence imaging system for food quality and safety. Transactions of the ASAE. 44(3): 721-729.
  6. Mehl, P.M., K. Chao, M. Kim, and Y.R. Chen. 2001. Detection of contamination on selected apple cultivars using reflectance hyperspectral and multispectral analysis. Proceedings of SPIE. 4206: 201-213. (Photonic Detection and Intervention Technologies for Safe Food, November 5-6, 2000, Boston, USA)
  7. click here to view the PDF of this article Chao, K., P.M. Mehl, and Y.R. Chen. 2002. Use of hyper- and multi-spectral imaging for detection of chicken skin tumors. Applied Engineering in Agriculture. 18(1): 113-119.
  8. click here to view the PDF of this article Mehl, P.M., K. Chao, M.S. Kim and Y.R. Chen. 2002. Detection of defects on selected apple cultivars using hyperspectral and multispectral image analysis. Applied Engineering in Agriculture. 18(2): 219-226.
  9. click here to view the PDF of this article Mehl, P.M., Y.R. Chen, M.S. Kim, and D.E. Chan. 2004. Development of hyperspectral imaging technique for the detection of apple surface defects and contaminations. Journal of Food Engineering. 61(1):67-81.

go back to the top

Bosoon Park
(Dr. Park is currently a scientist at the USDA-ARS Poultry Processing Research Unit)
  1. Chen, Y.R., R.W. Huffman, M. Nguyen, and B. Park. 1998. Classification of on-line poultry carcasses with backpropagation neural networks. J. of Food Process Engineering. 21: 33-48.
  2. Chen, Y.R., M. Nguyen, and B. Park. 1998. Neural network with principal component analysis for poultry carcass classification. J. of Food Process Engineering. (21): 351-367.
  3. Park, B., and Y.R. Chen, and M. Nguyen. 1998. Multi-spectral image analysis using neural network algorithm for inspection of poultry. Journal of Agricultural Engineering Research. 69: 351- 363.
  4. click here to view the PDF of this article Chao, K., Y.R. Chen, H. Early, and B. Park. 1999. Color image classification systems for poultry viscera inspection. Applied Engineering in Agriculture. 15(4): 363-369.
  5. click here to view the PDF of this article Chao, K., B. Park, Y.R. Chen, W.R. Hruschka, F.W. Wheaton. 2000. Design of a dual-camera system for poultry carcasses inspection. Applied Engineering in Agriculture. 16(5): 581-587.
  6. Park, B., and Y.R. Chen. 2000. Real-time dual-wavelength image processing for poultry safety inspection. Journal of Food Process Engineering. 23(5):329-351.
  7. click here to view the PDF of this article Chao, K., Y.R. Chen, W.R. Hruschka, and B. Park. 2001. Chicken heart disease characterization by multi-spectral imaging. Applied Engineering in Agriculture. 17(1): 99-106.
  8. Park, B., and Y.R. Chen. 2001. Co-occurrence matrix texture features of multi-spectral images on poultry carcasses. Journal of Agricultural Engineering Research. 78(2):127-139.
  9. click here to view the PDF of this article Park, B., Y.R. Chen, W.R. Hruschka, S.D. Shackelford, and M. Koohmaraie. 2001. Principal component regression of near-infrared reflectance spectra for beef tenderness prediction. Transactions of the ASAE. 44(3): 609-615.
  10. click here to view the PDF of this article Park, B., K.C. Lawrence., W.R. Windham, Y.R. Chen, and K. Chao. 2002. Discriminant analysis of dual-wavelength spectral images for classifying poultry carcasses. Computers and Electronics in Agriculture. 33: 219-231.

go back to the top

Chun-Chieh Yang
  1. Yang, C.-C., K. Chao and Y. R. Chen. 2003. Development of multispectral imaging processing algorithms for food safety inspection on poultry carcasses. The American Society of Agricultural Engineers (ASAE), 2003 International Meeting, ASAE paper no. 03-3054.
  2. click here to view the PDF of this article Yang, C.C., K. Chao, Y.R. Chen, and H.L. Early. 2005. Systemically diseased chicken identification using multispectral images and region of interest analysis. Computers and Electronics in Agriculture. 49(2):255-271.
  3. click here to view the PDF of this article Yang, C.C., K. Chao, and Y.R. Chen. 2005. Development of multispectral imaging processing algorithms for identification of wholesome, septicemic, and inflammatory process chickens. Journal of Food Engineering. 69(2):225-234.
  4. Chao, K., C.C. Yang, Y.R. Chen, D.E. Chan, and M.S. Kim. 2006. Poultry carcass inspection by a fast line-scan imaging system: results from in-plant testing. SPIE Proceedings, Volume 6381 – Optics for Natural Resources, Agriculture, and Foods (Y.R. Chen, G.E. Meyer, and S.I. Tu, eds.), 63810V.
  5. Kim, M.S., B.K. Cho, C.C. Yang, K. Chao, A.M. Lefcourt, and Y.R. Chen. 2006. Hyperspectral reflectance and fluorescence line-scan imaging system for online detection of fecal contamination on apples. SPIE Proceedings, Volume 6381 – Optics for Natural Resources, Agriculture, and Foods (Y.R. Chen, G.E. Meyer, and S.I. Tu, eds.), 63810P.
  6. click here to view the PDF of this article Liu, Y., K. Chao, Y.R. Chen, M.S. Kim, X. Nou, D.E. Chan, and C.C. Yang. 2006. Comparison of visible and near infrared reflectance spectroscopy for the detection of faeces/ingesta contaminants for sanitation verification at slaughter plants. Journal of Near Infrared Spectroscopy 14(5): 325-331.
  7. Liu, Y., K. Chao, Y.R. Chen, M.S. Kim, X. Nou, D.E. Chan, C.C. Yang. 2006. Detection of fecal/ingesta contaminants at slaughter plants from a number of characteristic visible and near-infrared bands. SPIE Proceedings, Volume 6381 – Optics for Natural Resources, Agriculture, and Foods (Y.R. Chen, G.E. Meyer, and S.I. Tu, eds.) (in press)
  8. Yang, C.C., D.E. Chan, K. Chao, Y.R. Chen, M.S. Kim. 2006. Development of online line-scan imaging system for chicken inspection and differentiation. SPIE Proceedings, Volume 6381 – Optics for Natural Resources, Agriculture, and Foods (Y.R. Chen, G.E. Meyer, and S.I. Tu, eds.), 63810Y.
  9. click here to view the PDF of this article Yang, C.C., K. Chao, Y.R. Chen, M.S. Kim, and D.E. Chan. 2006. Development of fuzzy logic based differentiation algorithm and fast line-scan imaging system for chicken inspection. Biosystems Engineering. 95(4): 483-496.
  10. click here to view the PDF of this article Yang, C.C., K. Chao, Y.R. Chen, M.S. Kim, and H.L. Early. 2006. Simple multispectral image analysis for systemically diseased chicken identification. Transactions of ASABE. 49(1): 245-257.
  11. click here to view the PDF of this article Chao, K., Y.R. Chen, F. Ding, C.C. Yang, and D.E. Chan. 2007. Development of two-band color-mixing technique for identification of broiler carcass conditions. Journal of Food Engineering. 80(1): 276-283.
  12. Kim, M.S., Y.R. Chen, B. Cho, K. Chao, C. Yang, A.M. Lefcourt, and D.E. Chan. Hyperspectral reflectance and fluorescence line-scan imaging for online quality and safety inspection of apples. Sensing and Instrumentation for Food Quality and Safety. (manuscript accepted, June 2007)

go back to the top


USDA-ARS Food Safety Laboratory
Henry A. Wallace Beltsville Agricultural Research Center, Beltsville, MD 20705
Phone: 301-504-8450, Fax: 301-504-9466
Website: www.ars.usda.gov/ba/foodsafetylab



Last Modified: 8/8/2007
Footer Content Back to Top of Page